Home / 29,160.55-40,242.87-16,418.12

Finding the Fourth Proportional to 29,160.55, 40,242.87 and 16,418.12

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Solution

The fourth proportional to 29,160.55, 40,242.87 and 16,418.12 is: 22,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,160.55 : 40,242.87 = 16,418.12 : x
  2. Step 2: Convert to fraction form
    29,160.55/40,242.87 = 16,418.12/x
  3. Step 3: Cross multiply
    29,160.55x = 40,242.87 × 16,418.12
  4. Step 4: Simplify right side
    29,160.55x = 660,712,067.59
  5. Step 5: Solve for x
    x = 660,712,067.59/29,160.55
  6. Step 6: Final answer
    x = 22,657.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.